The following work was directed to the analysis and study that is done to the cases that preseta the audit conducted in the company Enterprises ltda, on June 30, 2016, in order to acquire knowledge and put into practice everything learned during the course and the development of the diploma. At work we can find three audited processes such as the file organization, the operational area located in Turbo and the processes that are carried out in the laboratory. in the study of the case we find the nonconformities of the company in the aforementioned processes. and the positive aspects of the company. After the study, some observations are made to the company so that they are present for an improvement in the processes audited.